The China Railway No. 8 Engineering Group (CREC-8) has drilled through Houay Phoulai Tunnel, a highly risky and a key bottleneck project along the China-Laos railway, on 22 July 2020 write Xinhua agency.

China-Laos Railway strategic project for connect Belt and Road Initiative and Laos.

422-km railway 198-km-long 75 tunnels and 62-km bridges for trains of speed of 160 km per hour.

http://www.xinhuanet.com/english/2020-07/24/c_139235758.htm